Math 120 - Exam Review Ch 1-2 Name 1. Use the following data for the problems on this page. 2 54 62 87 62 89 90 100 74 65 68 75 88 96 98 45 48 65 77 75 80 82 84 86 Assume that the data represents test scores and that the grades are assigned according to the following grade scale: Grade Percentage A 90-100 B 80-89 C 70-79 D 60-69 F 50-59 a) Construct a stem-and-leaf plot for the data above. b) Construct a table which shows the frequency and relative frequency of each test grade. Grade Frequency Relative Frequency A B C D F c) Draw and label a relative frequency histogram based on the data in the table you just filled out